Index: openacs-4/packages/cms/www/modules/sitemap/delete-items.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/cms/www/modules/sitemap/delete-items.tcl,v
diff -u -N -r1.9 -r1.10
--- openacs-4/packages/cms/www/modules/sitemap/delete-items.tcl	25 Apr 2018 19:47:46 -0000	1.9
+++ openacs-4/packages/cms/www/modules/sitemap/delete-items.tcl	9 May 2018 15:33:30 -0000	1.10
@@ -69,7 +69,7 @@
 
     db_transaction {
 
-        set parents {}
+        set parents [list]
         foreach del_item_id $deleted_items {
             set is_symlink [element get_values delete "is_symlink_$del_item_id"]
             set is_folder [element get_values delete "is_folder_$del_item_id"]